===================================================================
RCS file: /cvs/cvs/blind/config.h,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -p -r1.3 -r1.4
--- blind/config.h	2022/03/29 20:16:20	1.3
+++ blind/config.h	2022/03/29 21:23:50	1.4
@@ -17,6 +17,16 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
+static struct file {
+      	FILE			*stream;
+	char			*name;
+	size_t			 ungetpos;
+	size_t			 ungetsize;
+	u_char			*ungetbuf;
+	int			 eof_reached;
+	int			 lineno;
+} *f;
+
 struct blind *	config_init(void);
 int		config_perm(int, const char *);